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Submissions from 2025

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REVISED FINAL MULTI-PATHWAY RESIDENTIAL METALS ABATEMENT PROGRAM PLAN, Atlantic Richfield Company and Butte Silver Bow

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REVISED FINAL MULTI-PATHWAY RESIDENTIAL METALS ABATEMENT PROGRAM PLAN, Atlantic Richfield Company and Butte Silver Bow

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Berkeley Pit and Discharge Pilot Project Quarterly Pilot Project Report Second Quarter 2025, Atlantic Richfield Company and Montana Resources, LLC

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Berkeley Pit and Discharge Pilot Project Quarterly Pilot Project Report Third Quarter 2024, Atlantic Richfield Company and Mark Thompson

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Residential Metals Abatement Program Investigation Summary Report (Non-Residential Parcels – Indoor Dust) - CCCS Gym Annex, Christopher Berg and Thomas J. Beckman

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Butte Priority Soils Operable Unit (BPSOU) 2024 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) 2025 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) 2025 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) 2025 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) Groundwater Remedy Optimization Subdrain Pump Station Preliminary (30%) Remedial Design Package Submittal, Josh Bryson

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Butte Priority Soils Operable Unit (BPSOU) Superfund Operation and Maintenance (O&M) Request for Maintenance – Kelley Stormwater Channels (Dated April 22, 2025), Josh Bryson

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MONTHLY PROGRESS REPORT BUTTE PRIORITY SOILS OPERABLE UNIT CONSENT DECREE PARTIAL REMEDIAL DESIGN/REMEDIAL ACTION AND OPERATION AND MAINTENANCE, Josh Bryson

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RE: 1st Quarter 2025 – Interim Site-Wide Surface Water Monitoring Data Report Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: 2025 Spring Semi-Annual – Interim Site-Wide Groundwater Monitoring Data Report Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: 2nd Quarter 2025 – Interim Site-Wide Surface Water Monitoring Data Report Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: 3rd Quarter 2025 – Interim Site-Wide Surface Water Monitoring Data Report Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: BPSOU Superfund Stormwater Operation and Maintenance (O&M) Request for Maintenance – Kelley Stormwater Channels, Josh Bryson

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RE: Butte Priority Soils Operable Unit (BPSOU) 2025 Monthly Progress Report. Consent Decree for the Butte Priority Soils Operable Unit. Civil Action No. CV 89-039-BU-SEH, Josh Bryson

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RE: Butte Priority Soils Operable Unit (BPSOU) Superfund Operation and Maintenance (O&M) Request for Maintenance – Kelley Stormwater Channels (Dated April 22, 2025), Josh Bryson

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RE: Butte Priority Soils Operable Unit Final Leak Infiltration Evaluation, Josh Bryson

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RE: Continued Use of the Approved Groundwater Quality Assurance Project Plan Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: Continued Use of the Approved Groundwater Quality Assurance Project Plan Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: Continued Use of the Approved Surface Water Quality Assurance Project Plan Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: Continued Use of the Approved Surface Water Quality Assurance Project Plan Silver Bow Creek Butte Area NPL Site, Butte Priority Soils Operable Unit Consent Decree-Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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RE: Final Blacktail Creek Groundwater Hydraulic Control System Pre-Design Investigation Evaluation Report, Josh Bryson

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RE: Silver Bow Creek Butte Area NPL Site 4th Quarter 2024 Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Data Report. Consent Decree- Civil Action No. CV 89- 039-BU-SHE, Josh Bryson

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RE: Silver Bow Creek Butte Area NPL Site Fall Semi-Annual 2024 Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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Silver Bow Creek Butte Area NPL Site 4th Quarter 2024 Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Data Report. Consent Decree- Civil Action No. CV 89- 039-BU-SHE, Josh Bryson

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Silver Bow Creek Butte Area NPL Site Fall Semi-Annual 2024 Butte Priority Soils Operable Unit Interim Site-Wide Groundwater Monitoring Data Report. Consent Decree- Civil Action No. CV 89-039-BU-SHE, Josh Bryson

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2022 Annual Operations and Maintenance Report, Butte Silver Bow

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2023 Annual Operations and Maintenance Report, Butte-Silver Bow Department of Reclamation and Environmental Services

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2024 Annual Operations and Maintenance Report, Butte-Silver Bow Department of Reclamation and Environmental Services

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2025 Field Evaluation of Reclaimed Sites Summary Report, Butte-Silver Bow Department of Reclamation and Environmental Services

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Butte Reclamation Evaluation System Corrective Action Plans for Reclaimed Sites - 2024 BRES Site Specific Corrective Action Plans for Quadrant 1, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 1029 Oregon Ave. Butte, MT 59701 January 30, 2025 Database Residential Identifier: R-03611, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 122 W. Daly St. Butte, MT 59701 January 16, 2025 Database Residential Identifier: R-00845, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 1232 E. Second St. Butte, MT 59701 January 21, 2025 Database Residential Identifier: R-04389, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 223 N. Alabama St. Butte, MT 59701 January 2, 2025 Database Residential Identifier: R-00455, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 537 S. Colorado St. Butte, MT 59701 January 22, 2025 Database Residential Identifier: R-05338, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 604 S. Clark St. Butte, MT 59701 January 24, 2025 Database Residential Identifier: R-01537, Butte-Silver Bow Department of Reclamation and Environmental Services

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Exhibit 2 “Basement ISWP” 615 W. Galena St. Butte, MT 59701 January 23, 2025 Database Residential Identifier: R-05384, Butte-Silver Bow Department of Reclamation and Environmental Services

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FINAL REMOVAL SIGN OFF Individual Site Work Plans 2025 Round 2 RMAP Basement Projects Butte, MT 59701 January 31, 2025, Butte-Silver Bow Department of Reclamation and Environmental Services and Atlantic Richfield Company

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REVISED FINAL - MULTI-PATHWAY RESIDENTIAL METALS ABATEMENT PROGRAM PLAN, Butte-Silver Bow Department of Reclamation and Environmental Services and Atlantic Richfield Company

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RESPONSE TO EPA COMMENTS DATED SEPTEMBER 16, 2025 FOR THE BLACKTAIL CREEK RIPARIAN ACTIONS UNIFORM FEDERAL POLICY - QUALITY ASSURANCE PROJECT PLAN SILVER BOW CREEK/BUTTE AREA SUPERFUND SITE SILVER BOW COUNTY, MONTANA, Environmental Protection Agency

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EPA REGION 8 OPTIMIZED UFP-QAPP REVIEW CROSSWALK, Environmental Protection Agency and Emma Rott

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Residential Metals Abatement Program Construction Completion Report East Middle School, Environmental Resource Management (ERM)

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2024 RMAP NON-RESIDENTIAL PARCELS DATA SUMMARY REPORT SILVER BOW CREEK/BUTTE AREA NPL SITE BPSOU, Environmental Standards, Inc. and Pioneer Technical Services, Inc.

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NRDP Comments on BP-Atlantic Richfield (BP-AR’s) Draft Materials Management Plan and Associated Documents at Butte Priority Soils Operable Unit of the Silver Bow Creek/Butte Area Superfund Site, Jim Ford

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Blacktail Creek PDIER, HGL

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DRAFT FINAL PHASE I PRE-DESIGN INVESTIGATION EVALUATION REPORT BLACKTAIL CREEK RIPARIAN ACTIONS BUTTE PRIORITY SOILS OPERABLE UNIT OF THE SILVER BOW CREEK/BUTTE AREA SUPERFUND SITE SILVER BOW COUNTY, MONTANA, HydroGeoLogic, Inc.

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REVISED DRAFT FINAL UNIFORM FEDERAL POLICYQUALITY ASSURANCE PROJECT PLAN, HydroGeoLogic, Inc.

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REVISED FINAL UNIFORM FEDERAL POLICY- QUALITY ASSURANCE PROJECT PLAN, HydroGeoLogic, Inc.

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REVISED FINAL UNIFORM FEDERAL POLICYQUALITY ASSURANCE PROJECT PLAN, HydroGeoLogic, Inc.

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Butte Priority Soils Operable Unit (BPSOU)2020 Consent Decree Appendix D Attachment C Sections 7 and 8 Discrepancies, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 100 – Capri Motel – Arctic Dump, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Draft Final Reclamation Improvement Sites Field Sampling and Investigation Plan (FSP): BRES No. 18 – Walkerville Ballfield, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Final BPSOU Insufficiently Reclaimed Sites Belle of Butte (BRES No. 8 & UR-39) Remedial Action Work Plan (RAWP) Request for Change IR- 2024-RA-01, Mike McAnulty

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Butte Priority Soils Operable Unit Draft Final 2023 Reclamation Improvement Sites Sampling: BRES No. 84 – Mandan Park Site Evaluation Summary Report, Mike McAnulty

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Medical Monitoring Working Group Meeting Minutes, Mike McAnulty

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RE: Butte Priority Soil Operable Unit (BPSOU) Final BRES No. 35 Del Monte Reclamation Improvement Field Sampling Plan, Mike McAnulty

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RE: Butte Priority Soil Operable Unit (BPSOU) Final BRES No.94 – Rialto Dump Reclamation Improvement (RI) Field Sampling Plan (FSP), Mike McAnulty

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RE: Butte Priority Soil Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP): BRES No. 177 – North Alice Culvert, Mike McAnulty

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RE: Butte Priority Soil Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP): BRES No. 91 – Robert Emmett Dump, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Draft Final BRES No. 35 Del Monte Reclamation Improvement Field Sampling Plan (FSP), Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Draft Final BRES No. 94 – Rialto Dump Reclamation Improvement (RI) Field Sampling Plan (FSP)., Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 177 – North Alice Culvert, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 91 – Robert Emmett Dumps, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Draft Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP): BRES No. 26 – Cripple Dump, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 100 – Capri Motel – Arctic Dump, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 120 – Bonanza Dump, Mike McAnulty

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RE: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP) for UR-19 – Butte, Anaconda & Pacific Railway from Montana Street to South Arizona Avenue – Montana Street Adjacent Parcel, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP): BRES No. 181 – Mountain Con-3 Dump., Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Insufficiently Reclaimed Sites Field Sampling Plan (FSP): BRES No. 26 – Cripple Dump, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Reclamation Improvement Sites Field Sampling and Investigation Plan (FSP): BRES No. 18 – Walkerville Ballfield, Mike McAnulty

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Re: Butte Priority Soils Operable Unit (BPSOU) Final Reclamation Improvement Sites Field Sampling and Investigation Plan (FSP): BRES No. 45 – Garfield, Mike McAnulty

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RE: Butte Priority Soils Operable Unit Revised Draft Final Reclamation Improvement Sites Field Sampling and Investigation Plan (FSP): BRES No. 45 – Garfield Response to Agency comments received June 28, 2024, Mike McAnulty

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RE: Revised Draft Final Butte Priority Soils Operable Unit (BPSOU) Insufficiently Reclaimed Sites: BRES No. 158 (Waste Rock Dump) Remedial Action Work Plan (RAWP), Mike McAnulty

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RE: Revised Draft Final Insufficiently Reclaimed Sites Field Sampling and Investigation Plan (FSP): BRES No. 120 – Bonanza Dump, Mike McAnulty

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Butte Priority Soils Operable Unit (BPSOU) Revised Butte Hill Revegetation Specifications, Mike McAnulty and Eric Hassler

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RE: Medical Monitoring Working Group Meeting Minutes, Mike McAnulty and Eric Hassler

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RE: Medical Monitoring Working Group Meeting Minutes, Mike McAnulty and Eric Hassler

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2025 Draft Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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2025 Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Phase III Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (QAPP) for Microbial Analysis and Biotreatability Study, Pioneer Technical Services, Inc.

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2025 Final Butte Reduction Works (BRW) Smelter Area Mine Waste Remediation and Contaminated Groundwater Hydraulic Control Site Quality Assurance Project Plan (QAPP) for Microbial Analysis and Biotreatability Study, Pioneer Technical Services, Inc.

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2025 Revised Draft Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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2025 Revised Draft Final Unreclaimed Sites Quality Assurance Project Plan (QAPP), Pioneer Technical Services, Inc.

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Blacktail Creek Energy Laboratories Metals & Mercury Laboratory Analysis Results with HGL 2B Data Validation Qualifiers, Pioneer Technical Services, Inc.

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Butte Reduction Works (BRW) Phase II Interim Demolition Plan Construction Drawings and Floodplain Encroachment Analysis, Pioneer Technical Services, Inc.

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Draft Final 2021-2022 Residential Metals Abatement Program (RMAP) Butte School District No. 1 (West Elementary School and Butte High School) Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Insufficiently Reclaimed Sites Sampling BRES No. 30 – Atlantic 1 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Unreclaimed Sites Sampling: UR-06 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Unreclaimed Sites Sampling: UR-12 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Unreclaimed Sites Sampling: UR-20 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Unreclaimed Sites Sampling: UR-22 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2022 Unreclaimed Sites Sampling: UR-28 Site Evaluation Summary Report, Pioneer Technical Services, Inc.

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Draft Final 2023 Residential Metals Abatement Program (RMAP): Koprivica Park Soil Remedial Action Construction Completion Report, Pioneer Technical Services, Inc.

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Draft Final 2024 BPSOU Subdrain Data Summary Report (DSR), Pioneer Technical Services, Inc.